Local definition 9: Singular vectors and ensemble perturbations

Octet Key Type Contents
11-12 stream codetable Stream
13-16 experimentVersionNumber ksec1expver Version number or experiment identifier. (4 ASCII characters, right justified)
6 localDefinitionNumber unsigned ECMWF local GRIB use definition identifier. 9 = Singular vectors and ensemble perturbations.
7-8 class codetable Class
9-10 type codetable Type
17-18 forecastOrSingularVectorNumber unsigned If type 60, the perturbed forecast number. If type 62 or 63, the singular vector number.
55-58 NINT_RITZ_EXP signed NINT( RITZ/( EXP(LOG(10.0*KSEC1(54) )
51-54 NINT_LOG10_RITZ signed NINT( LOG10(RITZ)-5 )
49-50 numberOfSingularVectorsEvolved unsigned Number of singular vectors evolved.
45-48 accuracyMultipliedByFactor unsigned Accuracy multiplied by KSEC1(47).
41-44 southEastLongitudeOfLPOArea signed Longitude in degrees of south-east corner of LPO* area multiplied by KSEC1(47).
37-40 southEastLatitudeOfLPOArea signed Latitude in degrees of south-east corner of LPO* area multiplied by KSEC1(47).
33-36 northWestLongitudeOfLPOArea signed Longitude in degrees of north-west corner of LPO* area multiplied by KSEC1(47).
29-32 northWestLatitudeOfLPOArea signed Latitude in degrees of north-west corner of LPO area multiplied by KSEC1(47).
25-28 multiplicationFactorForLatLong unsigned Multiplication factor to convert latitude/longitude and accuracy from real to integer.
24 normAtFinalTime unsigned Norm used at final time.
23 normAtInitialTime unsigned Norm used at initial time.
21-22 numberOfSingularVectorsComputed unsigned Number of singular vectors computed.
19-20 numberOfIterations unsigned Number of iterations.